2 files changed, 69 insertions, 4 deletions

diff --git a/src/blockchain_db/berkeleydb/db_bdb.cpp b/src/blockchain_db/berkeleydb/db_bdb.cpp
index ce355ccde..07cb622a7 100644
--- a/src/blockchain_db/berkeleydb/db_bdb.cpp
+++ b/src/blockchain_db/berkeleydb/db_bdb.cpp
@@ -759,7 +759,7 @@ void BlockchainBDB::open(const std::string& filename, const int db_flags)
     }
     else
     {
-        if (!boost::filesystem::create_directory(direc))
+        if (!boost::filesystem::create_directories(direc))
             throw0(DB_OPEN_FAILURE(std::string("Failed to create directory ").append(filename).c_str()));
     }
 
@@ -1042,7 +1042,46 @@ void BlockchainBDB::sync()
 void BlockchainBDB::reset()
 {
     LOG_PRINT_L3("BlockchainBDB::" << __func__);
-    // TODO: this
+    check_open();
+
+    bdb_txn_safe txn;
+    if (m_env->txn_begin(NULL, txn, 0))
+        throw0(DB_ERROR("Failed to create a transaction for the db"));
+    m_write_txn = &txn;
+    try
+    {
+        uint32_t count;
+
+        m_blocks->truncate(*m_write_txn, &count, 0);
+        m_block_heights->truncate(*m_write_txn, &count, 0);
+        m_block_hashes->truncate(*m_write_txn, &count, 0);
+        m_block_timestamps->truncate(*m_write_txn, &count, 0);
+        m_block_sizes->truncate(*m_write_txn, &count, 0);
+        m_block_diffs->truncate(*m_write_txn, &count, 0);
+        m_block_coins->truncate(*m_write_txn, &count, 0);
+
+        m_txs->truncate(*m_write_txn, &count, 0);
+        m_tx_unlocks->truncate(*m_write_txn, &count, 0);
+        m_tx_heights->truncate(*m_write_txn, &count, 0);
+        m_tx_outputs->truncate(*m_write_txn, &count, 0);
+
+        m_output_txs->truncate(*m_write_txn, &count, 0);
+        m_output_indices->truncate(*m_write_txn, &count, 0);
+        m_output_amounts->truncate(*m_write_txn, &count, 0);
+        m_output_keys->truncate(*m_write_txn, &count, 0);
+
+        m_spent_keys->truncate(*m_write_txn, &count, 0);
+
+        m_hf_starting_heights->truncate(*m_write_txn, &count, 0);
+        m_hf_versions->truncate(*m_write_txn, &count, 0);
+
+        m_properties->truncate(*m_write_txn, &count, 0);
+    }
+    catch (const std::exception& e)
+    {
+        throw0(DB_ERROR(std::string("Failed to reset database: ").append(e.what()).c_str()));
+    }
+    m_write_txn = NULL;
 }
 
 std::vector<std::string> BlockchainBDB::get_filenames() const
diff --git a/src/blockchain_db/lmdb/db_lmdb.cpp b/src/blockchain_db/lmdb/db_lmdb.cpp
index fabe01d7f..9be21b039 100644
--- a/src/blockchain_db/lmdb/db_lmdb.cpp
+++ b/src/blockchain_db/lmdb/db_lmdb.cpp
@@ -943,7 +943,7 @@ void BlockchainLMDB::open(const std::string& filename, const int mdb_flags)
   }
   else
   {
-    if (!boost::filesystem::create_directory(direc))
+    if (!boost::filesystem::create_directories(direc))
       throw0(DB_OPEN_FAILURE(std::string("Failed to create directory ").append(filename).c_str()));
   }
 
@@ -1159,7 +1159,33 @@ void BlockchainLMDB::sync()
 void BlockchainLMDB::reset()
 {
   LOG_PRINT_L3("BlockchainLMDB::" << __func__);
-  // TODO: this
+  check_open();
+
+  mdb_txn_safe txn;
+  if (mdb_txn_begin(m_env, NULL, 0, txn))
+    throw0(DB_ERROR("Failed to create a transaction for the db"));
+  mdb_drop(txn, m_blocks, 0);
+  mdb_drop(txn, m_block_timestamps, 0);
+  mdb_drop(txn, m_block_heights, 0);
+  mdb_drop(txn, m_block_hashes, 0);
+  mdb_drop(txn, m_block_sizes, 0);
+  mdb_drop(txn, m_block_diffs, 0);
+  mdb_drop(txn, m_block_coins, 0);
+  mdb_drop(txn, m_txs, 0);
+  mdb_drop(txn, m_tx_unlocks, 0);
+  mdb_drop(txn, m_tx_heights, 0);
+  mdb_drop(txn, m_tx_outputs, 0);
+  mdb_drop(txn, m_output_txs, 0);
+  mdb_drop(txn, m_output_indices, 0);
+  mdb_drop(txn, m_output_amounts, 0);
+  mdb_drop(txn, m_output_keys, 0);
+  mdb_drop(txn, m_spent_keys, 0);
+  mdb_drop(txn, m_hf_starting_heights, 0);
+  mdb_drop(txn, m_hf_versions, 0);
+  mdb_drop(txn, m_properties, 0);
+  txn.commit();
+  m_height = 0;
+  m_num_outputs = 0;
 }
 
 std::vector<std::string> BlockchainLMDB::get_filenames() const